Parsing MD5 Values of existent files to determine which files are out of date

EZPPClient Installer/DownloadUtil.cs

@@ -32,8 +32,8 @@ namespace EZPPClient_Installer
               continue;
 
             string[] se = datastring.Split('#');
-            string md5 = se[0];
-            string name = se[1];
+            string md5 = se[0].Replace("\r\n", "").Replace("\r", "").Replace("\n", "");
+            string name = se[1].Replace("\r\n", "").Replace("\r", "").Replace("\n", "");
             md5Files.Add(new MD5File(name, md5));
           }
         }
@@ -54,9 +54,33 @@ namespace EZPPClient_Installer
       }
       else
       {
+        /*string[] files = Directory.GetFiles(pathToEZPP, "*");
+        foreach (var file in files)
+        {
 
+        }*/
+        foreach(MD5File md5file in md5Files)
+        {
+          string file = pathToEZPP + @"\" + md5file.getName();
+          bool doesExistOnPC = File.Exists(file);
+          if (!doesExistOnPC)
+          {
+            downloadList.Add(md5file.getName());
+          }
+          else
+          {
+            string onlineHash = md5file.getMD5();
+            string pcHash = MD5Util.CalculateMD5(file);
+           if(!string.Equals(onlineHash, pcHash))
+            {
+              downloadList.Add(md5file.getName());
+            }
+          }
+        }
       }
 
+      MessageBox.Show(downloadList.Count + "/" + md5Files.Count + " Files need for update");
+
       return downloadList;
     }